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Cornett Heating & Cooling

We service the Serverna Park, Annapolis, Arnold, Pasadena, Glen Burnie, Millersville and surrounding areas.  Reach out to us if you’d like a consultation, 410-801-7771

About Cornett Heating & Cooling


Cornett Heating & Cooling, located in Severna Park, Maryland, is your premier destination for top-quality HVAC (Heating, Ventilation, and Air Conditioning) services. Our team of highly trained and certified technicians is dedicated to providing exceptional HVAC solutions for both residential and commercial customers. When it comes to HVAC installation, maintenance, and repairs, we have the expertise to keep your indoor environment comfortable year-round. At Cornett Heating & Cooling, we prioritize energy efficiency and sustainability, offering eco-friendly HVAC options to help you reduce your energy bills and environmental impact.


As your trusted HVAC company in Severna Park, we take pride in our commitment to customer satisfaction and our deep roots in the local community. Our website, https://www.cornetthvac.com/, showcases our professionalism and the range of services we offer. Whether you need a new HVAC system installed, routine maintenance, or emergency repairs, you can rely on Cornett Heating & Cooling to deliver reliable, cost-effective solutions. Contact us today for all your heating and cooling needs, and experience the difference our expertise makes in keeping your home or business comfortable and energy-efficient.


Check out some important pages from our company's website:


Read what 300+ clients have said about our services:

Our Work

221 Kennedy Drive , Severna Park, MD, US
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1181 Keeling Court , Arnold, MD, US
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100 Evanfield Court , Severna Park, MD, US
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283 Bowline Road , Severna Park, MD, US
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403 Fox Den Lane , Severna Park, MD, US
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Customer Testimonials

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Stephanie Hall - 1056 Pinecrest Drive , Annapolis, MD, US
I had 3 ductless heating and cooling units installed by Cornett in my upstairs and have had a great experience with the company. Josh is exactly what you want in a business owner. Very knowledgeable, honest, professional, friendly, respectful, and really cares about the quality of his work and the happiness of his customer. Every one of the guys working for him is exactly the same. They are professional and friendly and really take pride in the work they do and in doing it well. I cannot recomme... Read more
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David Claypool - 19 Windward Drive , Severna Park, MD, US
Service techs were polite, punctual, demonstrated a high level of knowledge in their craft. Excellent problem solvers.
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David Dunn - 15 Admiral Road , Severna Park, MD, US
The service was very good. The technicians were polite and knowledgeable
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David Giordano - 504 Red Oak Drive , Severna Park, MD, US
Zach went the extra mile for me during the heating season check-up. It was coincidentally the day before my quarterly Mirve 11 filter change and I asked if he would mind taking a second reading after the fresh filter went in. He was very professional and courteous. He provided me with helpful details to do my part with respect to keep everything purring along. Thanks Zach!
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Kathy Jensen - 2616 Point Lookout Cove , Annapolis, MD, US
Zach was very friendly, informative and helpful with his recommendations! I have complete confidence in this family owned business and their care of our acquired system!